csetjmp 1.1 KB

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  1. // -*- C++ -*-
  2. //===----------------------------------------------------------------------===//
  3. //
  4. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  5. // See https://llvm.org/LICENSE.txt for license information.
  6. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  7. //
  8. //===----------------------------------------------------------------------===//
  9. #ifndef _LIBCPP_CSETJMP
  10. #define _LIBCPP_CSETJMP
  11. /*
  12. csetjmp synopsis
  13. Macros:
  14. setjmp
  15. namespace std
  16. {
  17. Types:
  18. jmp_buf
  19. void longjmp(jmp_buf env, int val);
  20. } // std
  21. */
  22. #include <__config>
  23. // <setjmp.h> is not provided by libc++
  24. #if __has_include(<setjmp.h>)
  25. # include <setjmp.h>
  26. # ifdef _LIBCPP_SETJMP_H
  27. # error "If libc++ starts defining <setjmp.h>, the __has_include check should move to libc++'s <setjmp.h>"
  28. # endif
  29. #endif
  30. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  31. # pragma GCC system_header
  32. #endif
  33. _LIBCPP_BEGIN_NAMESPACE_STD
  34. using ::jmp_buf _LIBCPP_USING_IF_EXISTS;
  35. using ::longjmp _LIBCPP_USING_IF_EXISTS;
  36. _LIBCPP_END_NAMESPACE_STD
  37. #endif // _LIBCPP_CSETJMP